1 //===----------------------------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 // <exception> 11 12 // template<class E> exception_ptr make_exception_ptr(E e); 13 14 #include <exception> 15 #include <cassert> 16 17 struct A 18 { 19 static int constructed; 20 int data_; 21 22 A(int data = 0) : data_(data) {++constructed;} 23 ~A() {--constructed;} 24 A(const A& a) : data_(a.data_) {++constructed;} 25 }; 26 27 int A::constructed = 0; 28 29 int main() 30 { 31 { 32 std::exception_ptr p = std::make_exception_ptr(A(5)); 33 try 34 { 35 std::rethrow_exception(p); 36 assert(false); 37 } 38 catch (const A& a) 39 { 40 assert(A::constructed == 1); 41 assert(p != nullptr); 42 p = nullptr; 43 assert(p == nullptr); 44 assert(a.data_ == 5); 45 assert(A::constructed == 1); 46 } 47 assert(A::constructed == 0); 48 } 49 } 50
